Diagnostic testing device



FIG. 1 is a top plan view of a first embodiment of a diagnostic testing device;

FIG. 2 is a first side elevation view of the first embodiment;

FIG. 3 is a second side elevation of the first embodiment;

FIG. 4 is a bottom plan view of the first embodiment;

FIG. 5 is an enlarged rear elevation view of the first embodiment;

FIG. 6 is an enlarged front elevation view of the first embodiment;

FIG. 7 is a perspective view of the top and first side of the first embodiment.

FIG. 8 is a top plan view of a second embodiment of a diagnostic testing device;

FIG. 9 is a first side elevation view of the second embodiment;

FIG. 10 is a second side elevation of the second embodiment;

FIG. 11 is a bottom plan view of the second embodiment;

FIG. 12 is an enlarged rear elevation view of the second embodiment;

FIG. 13 is an enlarged front elevation view of the second embodiment; and,

FIG. 14 is a perspective view of the top and first side of the second embodiment.

The broken lines in the drawings depict portions of the diagnostic testing device that form no part of the claimed design. 

CLAIM The ornamental design for a diagnostic testing device, as shown and described. 